GPU CMake: Add check that RTC source files do not contain system headers

[davidrohr]

No description provided.

[github-actions]

REQUEST FOR PRODUCTION RELEASES:
To request your PR to be included in production software, please add the corresponding labels called "async-" to your PR. Add the labels directly (if you have the permissions) or add a comment of the form (note that labels are separated by a ",")

+async-label <label1>, <label2>, !<label3> ...

This will add <label1> and <label2> and removes <label3>.

The following labels are available
async-2023-pbpb-apass4
async-2023-pp-apass4
async-2024-pp-apass1
async-2022-pp-apass7
async-2024-pp-cpass0
async-2024-PbPb-cpass0
async-2024-PbPb-apass1
async-2024-ppRef-apass1

[alibuild]

Error while checking build/O2/fullCI for 8a6f48b at 2025-01-13 06:57:

## sw/BUILD/O2-latest/log
c++: error: unrecognized command-line option '--rtlib=compiler-rt'
c++: error: unrecognized command-line option '--rtlib=compiler-rt'
/sw/BUILD/4608e8be2572cd49499d751fea7680a0d0df5485/O2/GPU/GPUTracking/Base/hip/hipify/GPUReconstructionHIPrtc.hip:18:10: fatal error: GPUReconstructionHIPDef.h: No such file or directory
ninja: build stopped: subcommand failed.

Full log here.

[alibuild]

Error while checking build/O2/fullCI for 1ef99b5 at 2025-01-14 23:29:

## sw/BUILD/O2-latest/log
c++: error: unrecognized command-line option '--rtlib=compiler-rt'
c++: error: unrecognized command-line option '--rtlib=compiler-rt'
/sw/BUILD/041ca5f93b89d493a66fd32c2bb82b9c9fae6567/O2/GPU/GPUTracking/Base/hip/hipify/GPUReconstructionHIPrtc.hip:18:10: fatal error: GPUReconstructionHIPDef.h: No such file or directory
ninja: build stopped: subcommand failed.

Full log here.

[alibuild]

Error while checking build/O2/fullCI for 9379ca8 at 2025-01-15 00:33:

No log files found

Full log here.

[alibuild]

Error while checking build/O2/fullCI_slc9 for 9379ca8 at 2025-01-15 03:07:

++ cp /sw/slc9_x86-64/O2/13747-slc9_x86-64-local1/compile_commands.json .
+++ python3 -c 'import json, os; print(os.path.commonprefix([x["file"] for x in json.loads(open("compile_commands.json").read()) if "sw/BUILD" not in x["file"] and "G__" not in x["file"] and x["file"].endswith(".cxx")]))'
++ O2_SRC=/sw/SOURCES/O2/13747-slc9_x86-64/0/
++ [[ -e /sw/SOURCES/O2/13747-slc9_x86-64/0//CMakeLists.txt ]]

Full log here.